diff --git a/config/hosts/audio-hauptraum-kueche/networking.nix b/config/hosts/audio-hauptraum-kueche/networking.nix
index 0118db4..6e1e7d8 100644
--- a/config/hosts/audio-hauptraum-kueche/networking.nix
+++ b/config/hosts/audio-hauptraum-kueche/networking.nix
@@ -5,13 +5,13 @@
     interfaces.net0 = {
       ipv4.addresses = [
         {
-          address = "10.31.210.10";
+          address = "172.31.200.14";
           prefixLength = 23;
         }
       ];
     };
-    defaultGateway = "10.31.210.1";
-    nameservers = [ "10.31.210.1" ];
+    defaultGateway = "172.31.200.1";
+    nameservers = [ "172.31.200.1" ];
   };
 
   systemd.network.links."10-net0" = {
diff --git a/config/hosts/audio-hauptraum-tafel/networking.nix b/config/hosts/audio-hauptraum-tafel/networking.nix
index 37185b7..e357d38 100644
--- a/config/hosts/audio-hauptraum-tafel/networking.nix
+++ b/config/hosts/audio-hauptraum-tafel/networking.nix
@@ -5,13 +5,13 @@
     interfaces.net0 = {
       ipv4.addresses = [
         {
-          address = "10.31.210.13";
+          address = "172.31.200.15";
           prefixLength = 23;
         }
       ];
     };
-    defaultGateway = "10.31.210.1";
-    nameservers = [ "10.31.210.1" ];
+    defaultGateway = "172.31.200.1";
+    nameservers = [ "172.31.200.1" ];
   };
 
   systemd.network.links."10-net0" = {